/*
 * Amazon FreeRTOS+POSIX V1.0.2
 * Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://aws.amazon.com/freertos
 * http://www.FreeRTOS.org
 */
/*
 * modified by socware.net to support hyperC OS
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://socware.net
 */
/**
 * @file signal.h
 * @brief Signals.
 *
 * Signals are currently not implemented in FreeRTOS+POSIX. This header only
 * defines the signal data structures used elsewhere.
 *
 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
 */

#ifndef _HCOS_POSIX_SIGNAL_H_
#define _HCOS_POSIX_SIGNAL_H_

#include "hcos_types.h"

#define SIGEV_NONE      0 ///< No asynchronous notification is delivered when the event of interest occurs.
#define SIGEV_SIGNAL    1 ///< A queued signal, with an application-defined value, is generated when the event of interest occurs. Not supported.
#define SIGEV_THREAD    2 ///< A notification function is called to perform notification.

/**
 * @brief Signal value.
 */
union sigval {
	int sival_int;///< Integer signal value.
	void *sival_ptr; ///< Pointer signal value.
};

/**
 * @brief Signal event structure.
 */
struct sigevent {
	int sigev_notify;	///< Notification type. A value of SIGEV_SIGNAL is not supported.
	int sigev_signo;	///< Signal number. This member is ignored.
	union sigval sigev_value;	///< Signal value. Only the sival_ptr member is used.
	void (*sigev_notify_function) (union sigval);	///< Notification function.
	pthread_attr_t *sigev_notify_attributes;	///< Notification attributes.
};

#endif /* ifndef _HCOS_POSIX_SIGNAL_H_ */
